title: A method of typing Haemophilus influenzae by the precipitin reaction.
authors.forename: C F C
authors.initials: CF
authors.lastname: MAC PHERSON
mesh_terms: D001419:Bacteria; D006193:Haemophilus influenzae; D006801:Humans; D007251:Influenza, Human; D009975:Orthomyxoviridae; D011234:Precipitins
chemical_list: D011234:Precipitins